Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
12 Jan
Tue
13 Jan
Wed
14 Jan
Thu
15 Jan
Fri
16 Jan
Sat
17 Jan
Sun
18 Jan
Real-time AQI (Monitoring Station in Gannan Prefecture)
监测站
5531
PM2.5
59 *
PM10
6
O3
1.6
CO
9
SO2
44
NO2
甘肃民族师范学院
547
PM2.5
58 *
PM10
25
O3
0.7
CO
11
SO2
34
NO2
Air quality in the last 12 months (Gannan Prefecture)
|
2025/11
|
49
|
35
|
40
|
39
|
37
|
23
|
45
|
64
|
51
|
32
|
40
|
36
|
27
|
46
|
46
|
51
|
61
|
48
|
44
|
56
|
51
|
55
|
49
|
88
|
64
|
68
|
53
|
64
|
60
|
60
|
|
|
2025/10
|
25
|
34
|
39
|
25
|
16
|
21
|
18
|
19
|
20
|
19
|
18
|
20
|
33
|
31
|
32
|
40
|
30
|
42
|
32
|
35
|
27
|
24
|
23
|
23
|
31
|
32
|
40
|
47
|
51
|
46
|
57
|
|
2025/09
|
36
|
28
|
26
|
27
|
31
|
55
|
56
|
45
|
37
|
33
|
39
|
42
|
55
|
47
|
25
|
31
|
21
|
20
|
27
|
27
|
25
|
28
|
34
|
40
|
39
|
23
|
18
|
17
|
21
|
23
|
|
|
2025/08
|
34
|
30
|
32
|
14
|
20
|
23
|
22
|
18
|
20
|
25
|
34
|
30
|
30
|
42
|
37
|
42
|
37
|
33
|
19
|
27
|
16
|
17
|
20
|
35
|
29
|
19
|
12
|
14
|
25
|
39
|
41
|
|
2025/07
|
43
|
34
|
30
|
25
|
29
|
23
|
33
|
39
|
40
|
41
|
36
|
30
|
39
|
43
|
35
|
48
|
50
|
26
|
59
|
22
|
24
|
30
|
36
|
24
|
23
|
30
|
45
|
39
|
27
|
32
|
38
|
|
2025/06
|
22
|
27
|
24
|
33
|
51
|
46
|
38
|
44
|
22
|
37
|
46
|
41
|
44
|
30
|
48
|
50
|
53
|
34
|
32
|
43
|
40
|
21
|
35
|
21
|
25
|
36
|
33
|
39
|
42
|
29
|
|
|
2025/05
|
46
|
84
|
148
|
73
|
47
|
55
|
80
|
77
|
50
|
41
|
40
|
50
|
53
|
32
|
24
|
51
|
42
|
53
|
53
|
45
|
47
|
61
|
59
|
46
|
35
|
47
|
35
|
43
|
42
|
73
|
57
|
|
2025/04
|
76
|
80
|
75
|
87
|
83
|
62
|
48
|
90
|
83
|
76
|
68
|
55
|
56
|
61
|
61
|
73
|
61
|
121
|
88
|
71
|
81
|
61
|
46
|
48
|
44
|
27
|
35
|
54
|
50
|
59
|
|
|
2025/03
|
55
|
49
|
50
|
44
|
42
|
50
|
83
|
59
|
52
|
53
|
86
|
102
|
44
|
37
|
44
|
37
|
39
|
49
|
59
|
57
|
47
|
50
|
60
|
49
|
45
|
135
|
163
|
60
|
69
|
83
|
81
|
|
2025/02
|
37
|
39
|
32
|
34
|
51
|
50
|
53
|
50
|
49
|
52
|
65
|
69
|
56
|
58
|
48
|
46
|
39
|
40
|
52
|
47
|
48
|
34
|
43
|
43
|
47
|
46
|
47
|
40
|
|||
|
2025/01
|
56
|
58
|
48
|
56
|
40
|
57
|
55
|
63
|
63
|
64
|
44
|
48
|
45
|
53
|
65
|
43
|
50
|
49
|
46
|
47
|
49
|
59
|
60
|
61
|
59
|
55
|
27
|
32
|
89
|
42
|
35
|
|
2024/12
|
41
|
44
|
47
|
45
|
40
|
43
|
40
|
40
|
37
|
37
|
38
|
36
|
33
|
29
|
32
|
29
|
26
|
31
|
53
|
54
|
61
|
69
|
65
|
75
|
66
|
54
|
63
|
58
|
52
|
41
|
51
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
*: primary pollution